213011294 has 16 divisors (see below), whose sum is σ = 330372000. Its totient is φ = 102926304.

The previous prime is 213011287. The next prime is 213011311. The reversal of 213011294 is 492110312.

It is a super-2 number, since 2×213011294² = 90747622743108872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1367 + ... + 20685.

It is an arithmetic number, because the mean of its divisors is an integer number (20648250).

Almost surely, 2^213011294 is an apocalyptic number.

213011294 is a deficient number, since it is larger than the sum of its proper divisors (117360706).

213011294 is a wasteful number, since it uses less digits than its factorization.

213011294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19507.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 213011294 is about 14594.9064402620. The cubic root of 213011294 is about 597.2198171660.

The spelling of 213011294 in words is "two hundred thirteen million, eleven thousand, two hundred ninety-four".